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Jumat, 02 November 2012

spider's web


1.        Read the text below.
Spider’s Web
Most Spiders eat insect and some trap their  food in Webs. How a spider makes its web to get food is fascinating. First, a spider has to find the right location. This could be in a bush, a tree, or on a fence. The space has to be wide enough and the supports have to be strong  enough to hold the web. Most importantly, the web has to be near to the source of food. Once the location is right, the spider sets out to spin the web. This web is used to trap insects.
The skils is produced first in liquid form and then the air will help to solidify it and the strands form one very strong thread. The wind also helps to blow the tthreads to the opposite side and the spider will then fasten it safely to the support.
The spiders spin its web according to a design. A different silk is produced for each part of the web. The parts which will trap the insects are sticky. When the threads are in place, the spider moves to the center of the web and weaves a silky mattress for it to rest on. Soon enaough, an unsuspecting insect will come flying into the web and get itself trapped in the sticky web.
As it struggles, the movements of the insect will wake the spider and it will quickly move towards it. When the spider reaches the insect, it spins more webs around it until it is trapped completely. Then, the spider kills its prisoner with a sting and gets to enjoy its meal.
To survice, spiders trap their prey on their fascinating webs. No insects will be able to fly away once they have been trapped on the webs.

2.      Answer the questions below. Cross (x) the best answer.

       1.      What is the main function of webs for spiders ?
A.      To live in
B.      To trap their prey
C.      To reproduce
D.     To keep their food
E.      To protect themselves from their prey

        2.      What is NOT true about the webs ?
A.      The webs can be made in a bush.
B.      The webs can be found in trees
C.      The webs must be wde enough
D.     The webs must be far from other insects
E.      The supports of the webs have to be strong enough

         3.      What is the function of the wind ?
A.      To solidify the thread
B.      To form a very strong thread
C.      To help the thread reach the opposite side
D.     To fasten the thread
E.      To blow the spider to reach the opposite side

         4.      In what part will the prey be trapped?
A.      The center of the web
B.      The sticky part
C.      The silky mattress
D.     The part where the spider rests on
E.      Somewhere near the supports

         5.      What is the sign that a prey has been trapped in a spider’s web?
A.     The movement of the prey n the webs
B.      The sound of the prey
C.      The smell of the sticky parrts
D.     The smell of the prey
E.      The visual signal from the prey

         6.      In what part will the spider wait for its prey?
A.     In the center of the webs
B.      In the sticky part
C.      On the silky mattress
D.     Somewhere near the support
E.      Outside the web

          7.      Which is TRUE according to the passage?
A.     The spider attacks its prey by spinning more webs around it
B.      The spider will wait until its prey dies before eating it
C.      The prey dies because of the posion from the silky webs
D.     The spider kills its prey by injecting a poisonous liquid from its body
E.      The spider attacks its prey wtth its sting

          8.      “...then the air will help to solidify it...”(paragraph 2) what does “solidify” mean?
A.      To thicken
B.      To harden
C.      To fasten
D.     To widen
E.      To lengthen

          9.      “.... weaves a silky mattress for it to rest on.”(paragraph 3) what does “it” refer to?
A.      A silky mattress
B.      A spider
C.      The web
D.     The sticky part
E.      The thread

        10.  Look at the picture. Identify the part of the web pointed by the arrow.
A.      The sticky web
B.      The silky mattress
C.      The support
D.     The thread
E.      The strand.

Rabu, 12 September 2012

HEAR THIS OUT


.   What is a rainbow ?
a.      It is world masterpiece.
b.      It is a dispersion of sunlight.
c.       It is the sun wavelength.

.    How are the wavelengths of the sun categorized ?
a.      The short and long wavelengths.
b.      The blue, violet and indigo waves.
c.       The red, orange and yellow waves.

3  Under what condition does sunlight split into a variety of colors?
a.      When the light emerges from raindrops
b.      When it reflects off the back of the raindrop
c.       When the sunlight enters the raindrop in the air.

   How does thunder usually begin ?
a.      When there is heavy rain with thunder and lightning
b.      When warm air near the Earth is pushed upwards by winds
c.       When humid air over the sea surface is rushing into clouds

5  What happens after air is pushed upwards by winds?
a.      The air rises rapidly, then it cools
b.      The temperature is imbalanced
c.       A thunderstorm happens at once

6 What is the effect of the temperature imbalance within clouds?
a.      The storm equalizes the air
b.      It creates thunderstorms
c.       The warm and cold air rush in


What causes thunder and lightning?
a.      The air pressure imbalance
b.      The continuous of warm and cold air
c.       The up and down rushing of air currents


What is not the characteristic of a bolt of lightning?
a.      Very thin
b.      Very quick
c.       Very loud

What is the effect of the massive heat of lightning?
a.      The air around the bolt expands very fast
b.      It makes the bolt look a lot bigger than it is
c.       The large column of air shrinks back to normal

What happens after the bolt is gone?
a.      A large column of air expands to its normal size
b.      The air shrinks back and creates rumbing noise
c.       The infamous rumbling noise creates lightning.

SUPERCELLS



B. Put the verbs into the correct simple present tense forms.
SUPERCELLS
Supercells (be)1.   are   rotating updrafts within severe thunderstorms; they (be)2.   are   big, and extremely scary. They can appear anywhere in the world given the right meteorological conditions, but most of the times they (appear) 3. Appear  in the great plains of the US, (last) 4. Last  generally 2-3 hours and they sometimes (split) 5. Split  in 2, with the two resulting storms going in opposite direction. The supercells usually (produce) 6. Produce huge amounts of hail, torrential rainfall, strong winds, and substantial downbursts and they (be)7. are  often carries of giant hail. There are a whole lot of technical details left to be said. Scientists are very interested in supercells , because , as you can guess, they (be) 8. Are   really dangerous.